Dichopic summation of information in the recognition of briefly presented forms

Abstract

Visual form identification was studied under conditions where the forms to be identified were presented briefly to the right and left eyes alone, to the right and left eye simultaneously on corresponding areas, and to the right and left eye sequentially on corresponding areas. The results suggest the following conclusions: (1) successive stimulation of the two eyes is better than either eye alone if the stimulation falls on corresponding areas; (2) successive stimulation of corresponding areas is about identical to simultaneously stimulated corresponding areas; and (3) the amount of gain in identification accuracy resulting from stimulation to the two eyes was not greater than can be attributed to two independent opportunities to perceive. © 1966, Psychonomic Press. All rights reserved.